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mikroSDK Library

EEPROM 3 Click

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Author: MIKROE

Last Updated: 2024-10-31

Package Version: 2.1.0.14

mikroSDK Library: 2.0.0.0

Category: EEPROM

Downloaded: 323 times

Not followed.

License: MIT license  

EEPROM 3 Click provides 2 Mbit (2,097,152 bits) of Electrically Erasable Programmable Read Only Memory, organized in bytes. In other words, this Click board™ is an EEPROM memory medium with the capacity of 256 KB. The used EEPROM module has outstanding endurance, with 1,000,000 write cycles and data retention period of over 100 years.

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  • mikroSDK Library 1.0.0.0
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mikroSDK Library Blog


EEPROM 3 Click

EEPROM 3 Click provides 2 Mbit (2,097,152 bits) of Electrically Erasable Programmable Read Only Memory, organized in bytes. In other words, this Click board™ is an EEPROM memory medium with the capacity of 256 KB. The used EEPROM module has outstanding endurance, with 1,000,000 write cycles and data retention period of over 100 years.

eeprom3_click.png

Click Product page


Click library

  • Author : MikroE Team
  • Date : Dec 2019.
  • Type : I2C type

Software Support

We provide a library for the Eeprom3 Click as well as a demo application (example), developed using MikroElektronika compilers. The demo can run on all the main MikroElektronika development boards.

Package can be downloaded/installed directly form compilers IDE(recommended way), or downloaded from our LibStock, or found on mikroE github account.

Library Description

This library contains API for Eeprom3 Click driver.

Standard key functions :

  • eeprom3_cfg_setup Config Object Initialization function.

    void eeprom3_cfg_setup ( eeprom3_cfg_t *cfg ); 
  • eeprom3_init Initialization function.

    err_t eeprom3_init ( eeprom3_t *ctx, eeprom3_cfg_t *cfg );

Example key functions :

  • eeprom3_write_byte This function writes data to the desired register.

    void eeprom3_write_byte ( eeprom3_t *ctx, uint16_t reg_address, uint8_t data_in );
  • eeprom3_write_page This function writes given number of data to the desired register.

    void eeprom3_write_page( eeprom3_t *ctx, uint16_t reg_address, uint8_t* data_in, uint8_t count );
  • eeprom3_read This function reads data from the desired register.

    void eeprom3_read ( eeprom3_t *ctx, uint16_t reg_address, uint8_t *data_out, uint16_t count );

Examples Description

This example demonstrates the process of reading and writing to the EEPROM.

The demo application is composed of two sections :

Application Init

Initializes EEPROM 3 driver.


void application_init ( void )
{
    log_cfg_t log_cfg;
    eeprom3_cfg_t cfg;

    /** 
     * Logger initialization.
     * Default baud rate: 115200
     * Default log level: LOG_LEVEL_DEBUG
     * @note If USB_UART_RX and USB_UART_TX 
     * are defined as HAL_PIN_NC, you will 
     * need to define them manually for log to work. 
     * See @b LOG_MAP_USB_UART macro definition for detailed explanation.
     */
    LOG_MAP_USB_UART( log_cfg );
    log_init( &logger, &log_cfg );
    log_info( &logger, "---- Application Init ----" );

    //  Click initialization.
    eeprom3_cfg_setup( &cfg );
    EEPROM3_MAP_MIKROBUS( cfg, MIKROBUS_1 );
    eeprom3_init( &eeprom3, &cfg );
}

Application Task

Writing data to EEPROM, reading that data and displaying it via UART


void application_task ( void )
{
    eeprom3_write_page( &eeprom3, 0x100, text, 6 );
    log_printf( &logger, "Writing Mikroe to EEPROM 3 Click\r\n" );
    Delay_ms ( 1000 );

    eeprom3_read( &eeprom3, 0x100, mem_value, 6 );
    log_printf( &logger, "Data read: %s\r\n", mem_value );
    Delay_ms ( 1000 );
}  

The full application code, and ready to use projects can be installed directly form compilers IDE(recommneded) or found on LibStock page or mikroE GitHub accaunt.

Other mikroE Libraries used in the example:

  • MikroSDK.Board
  • MikroSDK.Log
  • Click.Eeprom3

Additional notes and informations

Depending on the development board you are using, you may need USB UART Click, USB UART 2 Click or RS232 Click to connect to your PC, for development systems with no UART to USB interface available on the board. The terminal available in all Mikroelektronika compilers, or any other terminal application of your choice, can be used to read the message.


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